CN210755387U - Alloy chamfering drill - Google Patents
Alloy chamfering drill Download PDFInfo
- Publication number
- CN210755387U CN210755387U CN201921771837.0U CN201921771837U CN210755387U CN 210755387 U CN210755387 U CN 210755387U CN 201921771837 U CN201921771837 U CN 201921771837U CN 210755387 U CN210755387 U CN 210755387U
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- chamfer
- tool
- alloy
- tool apron
- positioning guide
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Abstract
The utility model discloses an alloy chamfering drill, which comprises a tool apron, wherein the front end of the tool apron is provided with a chamfering blade, and the rear end of the tool apron corresponding to the chamfering blade is provided with a tip positioning guide boss to form tip positioning guide; the front end of the tool apron corresponding to the chamfer edge is provided with an inner hole positioning guide block. When the tool works, the front part of the tool is provided with a guide to ensure the coaxiality of the chamfer and the hole; the end part is provided with a positioning guide, and the guide is in chamfer depth when contacting with the surface of a workpiece. The utility model provides an alloy chamfer bores special processing cutter of research and development with chamfer to hydraulic pressure part drill way is sealed, because hydraulic pressure type part drill way chamfer is mostly sealed usefulness, consequently dimensional tolerance and roughness require very strictly, and the difficult once realization of general cutter processing, general process are for boring, expand (boring), three steps of completions of hinge, machining efficiency is low. The alloy chamfering drill can realize one-step forming of expanding and reaming, the size of the cutter is customized according to the requirement of a customer for machining parts, and the machining size is controlled more easily.
Description
Technical Field
The utility model belongs to the technical field of the chamfer bores, specifically be an alloy chamfer bores.
Background
The chamfer cutter is a cutter which is assembled on machine tools such as a milling machine, a drilling machine, a planer, a chamfering machine and the like, is used for processing 60-degree 52-degree 90-degree 110-degree and 120-degree chamfers of a workpiece, is matched with a taper hole and is in chamfer angle with a die, and belongs to an end mill. The chamfering tool is also called a chamfering device. The chamfering tool has wide application range, is suitable for chamfering of common mechanical workpieces, and is more suitable for chamfering and deburring of precise workpieces with difficult chamfer angles. The countersunk socket and the countersunk hole can be processed;
however, the chamfer angle of the orifice of the hydraulic part is mostly used for sealing, so the requirements on the dimensional tolerance and the surface roughness are very strict, the machining of a common cutter is difficult to realize at one time, the common procedures are three steps of drilling, expanding (boring) and reaming, and the machining efficiency is low, therefore, the inventor provides the alloy chamfer angle drill by synthesizing various factors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problems related to the background technology, an alloy chamfering drill is provided.
The utility model adopts the technical scheme as follows:
an alloy chamfering drill comprises a tool apron, wherein a chamfering blade is arranged at the front end of the tool apron, and an end positioning guide boss is arranged at the rear end of the tool apron, corresponding to the chamfering blade, so as to form end positioning guide; the front end of the tool apron corresponding to the chamfer edge is provided with an inner hole positioning guide block.
When the tool works, the front part of the tool is provided with a guide to ensure the coaxiality of the chamfer and the hole; the end part is provided with a positioning guide, and the guide is in chamfer depth when contacting with the surface of a workpiece.
The rear end of the tool apron is provided with a tool shank shaft, the tail end of the tool shank shaft is provided with a positioning column, and the outer end of the positioning column is provided with a positioning protrusion.
The tool handle shaft is a conical shaft, and the diameter of the tool handle shaft is gradually reduced along the tool apron towards the outer end of the tool handle shaft.
Wherein, the sharpening size and the sharpening angle of the chamfer edge have a diameter error of 0.005mm and an angle error of +/-1'.
Wherein, ligament surface roughness Ra value of the chamfer edge is not more than 0.2 μm, and Ra value of the cutter body is not more than 0.8 μm.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides an alloy chamfer bores special processing cutter of research and development with chamfer to hydraulic pressure part drill way is sealed, because hydraulic pressure type part drill way chamfer is mostly sealed usefulness, consequently dimensional tolerance and roughness require very strictly, and the difficult once realization of general cutter processing, general process are for boring, expand (boring), three steps of completions of hinge, machining efficiency is low. The alloy chamfering drill can realize one-step forming of expanding and reaming, the size of the cutter is customized according to the requirement of a customer for machining parts, and the machining size is controlled more easily.
2. The utility model creatively has a guide at the front part of the cutter, and ensures the coaxiality of the chamfer and the hole; the end part is provided with a positioning guide, and when the guide is contacted with the surface of a workpiece, the chamfering depth meets the requirement of the drawing size, so that the processing accuracy is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
the labels in the figure are: 1. a tool apron; 2. an end positioning guide boss; 3. a chamfering blade; 4. an inner hole positioning guide block; 5. a tool shank spindle; 6. a positioning column; 7. the positioning is convex.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the alloy chamfering drill comprises a tool apron 1, wherein a chamfering blade 3 is arranged at the front end of the tool apron 1, and an end positioning guide boss 2 is arranged at the rear end of the tool apron 1, corresponding to the chamfering blade 3, to form end positioning guide; the front end of the tool apron 1 corresponding to the chamfer edge 3 is provided with an inner hole positioning guide block 4.
The rear end of the tool apron 1 is provided with a tool shank shaft 5, the tail end of the tool shank shaft 5 is provided with a positioning column 6, and the outer end of the positioning column 6 is provided with a positioning protrusion 7.
The tool shank shaft 5 is a conical shaft, and the diameter of the tool shank shaft 5 is gradually reduced along the tool apron 1 towards the outer end of the tool shank shaft 5.
Wherein, the diameter error and the angle error of the sharpening size and the sharpening angle of the chamfer edge 3 are within 0.005mm and within +/-1'.
Wherein, ligament surface roughness Ra value of the chamfer edge 3 is not more than 0.2 μm, and cutter body Ra value is not more than 0.8 μm.
The working principle is as follows: 1. the utility model provides an alloy chamfer bores special processing cutter of research and development with chamfer to hydraulic pressure part drill way is sealed, because hydraulic pressure type part drill way chamfer is mostly sealed usefulness, consequently dimensional tolerance and roughness require very strictly, and the difficult once realization of general cutter processing, general process are for boring, expand (boring), three steps of completions of hinge, machining efficiency is low. The alloy chamfering drill can realize one-step forming of expanding and reaming, the size of the cutter is customized according to the requirement of a customer for machining parts, and the machining size is controlled more easily.
2. The utility model creatively has a guide at the front part of the cutter, and ensures the coaxiality of the chamfer and the hole; the end part is provided with a positioning guide, and when the guide is contacted with the surface of a workpiece, the chamfering depth meets the requirement of the drawing size, so that the processing accuracy is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an alloy chamfer bores, includes blade holder (1), its characterized in that: the front end of the tool apron (1) is provided with a chamfer edge (3), and the rear end of the tool apron (1) corresponding to the chamfer edge (3) is provided with an end positioning guide boss (2) to form end positioning guide; the front end of the tool apron (1) corresponding to the chamfer edge (3) is provided with an inner hole positioning guide block (4).
2. The alloy chamfer drill of claim 1, wherein: the rear end of the tool apron (1) is provided with a tool shank shaft (5), the tail end of the tool shank shaft (5) is provided with a positioning column (6), and the outer end of the positioning column (6) is provided with a positioning protrusion (7).
3. An alloy chamfer drill according to claim 2, wherein: the tool shank shaft (5) is a conical shaft, and the diameter of the tool shank shaft (5) is gradually reduced along the tool apron (1) towards the outer end direction of the tool shank shaft (5).
4. An alloy chamfer drill according to any one of claims 1 to 3, wherein: the diameter error and the angle error of the sharpening size and the sharpening angle of the chamfering edge (3) are within 0.005mm and within +/-1'.
5. The alloy chamfer drill of claim 4, wherein: the ligament surface roughness Ra value of the chamfer edge (3) is not more than 0.2 μm, and the Ra value of the cutter body is not more than 0.8 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771837.0U CN210755387U (en) | 2019-10-22 | 2019-10-22 | Alloy chamfering drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921771837.0U CN210755387U (en) | 2019-10-22 | 2019-10-22 | Alloy chamfering drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210755387U true CN210755387U (en) | 2020-06-16 |
Family
ID=71066382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921771837.0U Expired - Fee Related CN210755387U (en) | 2019-10-22 | 2019-10-22 | Alloy chamfering drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210755387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770043A (en) * | 2022-04-24 | 2022-07-22 | 宜昌宇能精密科技有限公司 | Method for processing coaxial small hole of circuit framework contact pin |
-
2019
- 2019-10-22 CN CN201921771837.0U patent/CN210755387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770043A (en) * | 2022-04-24 | 2022-07-22 | 宜昌宇能精密科技有限公司 | Method for processing coaxial small hole of circuit framework contact pin |
| CN114770043B (en) * | 2022-04-24 | 2023-01-31 | 宜昌宇能精密科技有限公司 | Method for processing coaxial small hole of circuit framework contact pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |